Net migration of employers coming back into the city is on a positive trend which is always good to see.Rents are high in Cook County so a decrease in housing prices (as predicted in the article) could further strengthen cashflow positions on new purchases. 

The Third Month strengthens your position as to who runs what.

(says my sedentary 30# overweight self)  The right exercises will help strengthen his back muscles, and correct his posture.  

Having the owner sign does nothing to strengthen the lease or protect the Property Manager.

The community property state you live in actually strengthens that although community property is a state designation and does not bind or restrict federal statute in any way.Now all that being said,  I'd always recommend  that you make the deeds match as much as possible to avoid even questions that can be answered. 

That is what is happening here in Charlotte and seems to be happening in OKC from what you are saying.Yes, that's what happens at the top of the market between an expansion and contraction in the economy -- different areas will start to act differently with some continuing to strengthen and some starting to show weakness. 

A lender will take 75% of the rental income and add that to your approval which would strengthen your borrowing power.

Bring it on, I am much more worried about a 200 unit apartment building coming in down the street than only being able to raise rents 7% + CPI per year.This is something I sent to a local charity we have supported (oregon food bank) which decided to come out in support of the bill.My last point is this, rent controls and tenant protections lead to decreased supply and strengthen both the pricing power, average rents and value of the owner's of existing properties.

In case a house does sink somewhat (not catastrophic) , does strengthening the building with pipes and cement help enough to prevent further sinking ?

To surpass my current income, strengthen my current retirement portfolio and start to build generational wealth.